xref: /freebsd/share/man/man4/ng_hub.4 (revision 4f29da19bd44f0e99f021510460a81bf754c21d2)
1.\" Copyright (c) 2004 Ruslan Ermilov
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\"    notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\"    notice, this list of conditions and the following disclaimer in the
11.\"    documentation and/or other materials provided with the distribution.
12.\"
13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23.\" SUCH DAMAGE.
24.\"
25.\" $FreeBSD$
26.\"
27.Dd April 17, 2004
28.Dt NG_HUB 4
29.Os
30.Sh NAME
31.Nm ng_hub
32.Nd packet distribution netgraph node type
33.Sh SYNOPSIS
34.In netgraph/ng_hub.h
35.Sh DESCRIPTION
36The
37.Nm hub
38node type provides a simple mechanism for distributing packets over
39several links.
40Packets received on any of the hooks are forwarded out the other hooks.
41Packets are not altered in any way.
42.Sh HOOKS
43A
44.Nm hub
45node accepts any request to connect, regardless of the hook name,
46as long as the name is unique.
47.Sh CONTROL MESSAGES
48This node type supports only the generic control messages.
49.Sh SHUTDOWN
50This node shuts down upon receipt of a
51.Dv NGM_SHUTDOWN
52control message, or when all hooks have been disconnected.
53.Sh SEE ALSO
54.Xr netgraph 4 ,
55.Xr ng_bridge 4 ,
56.Xr ng_ether 4 ,
57.Xr ng_one2many 4 ,
58.Xr ngctl 8 ,
59.Xr nghook 8
60.Sh HISTORY
61The
62.Nm
63node type appeared in
64.Fx 5.3 .
65.Sh AUTHORS
66.An Ruslan Ermilov Aq ru@FreeBSD.org
67